Australian blue opals on hematite chain Very light and delicate $135. per foot Price of chain varies by your choice of clasp (if necessary): magnetic clasp, silver clasp, 14K clasp, silver-toned clasp, gold-toned clasp, rose gold-toned clasp, hematite-toned clasp. Minimum charge: $15. plus clasp price. Please get in touch with me concerning length of chain and type of clasp via e-mail.